CN100338649C - 处理音频信号、生成重建的音频信号的方法、设备及媒体 - Google Patents

处理音频信号、生成重建的音频信号的方法、设备及媒体 Download PDF

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CN100338649C
CN100338649C CNB03805096XA CN03805096A CN100338649C CN 100338649 C CN100338649 C CN 100338649C CN B03805096X A CNB03805096X A CN B03805096XA CN 03805096 A CN03805096 A CN 03805096A CN 100338649 C CN100338649 C CN 100338649C
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CN1639770A (zh
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迈克尔·M·杜鲁门
马克·S·文顿
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Dolby Laboratories Licensing Corp
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    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
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CNB03805096XA 2002-03-28 2003-03-21 处理音频信号、生成重建的音频信号的方法、设备及媒体 Expired - Lifetime CN100338649C (zh)

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US10/113,858 US20030187663A1 (en) 2002-03-28 2002-03-28 Broadband frequency translation for high frequency regeneration

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CN102822891A (zh) * 2010-04-13 2012-12-12 索尼公司 信号处理装置及方法、编码装置及方法、解码装置及方法、以及程序
CN102985970A (zh) * 2010-03-09 2013-03-20 弗兰霍菲尔运输应用研究公司 在用于音频信号的基于相角声码器的带宽扩展中改善的幅值响应和时间对准
CN102308333B (zh) * 2009-02-04 2014-03-19 摩托罗拉移动公司 修改的离散余弦变换音频编码器的带宽扩展方法和装置
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